Witnesses said Elder was speeding and weaving between lanes while he was driving southbound on Sloat Road away from the Inn At Spanish Bay.

Elder had a 20-year-old female passenger in his Cadillac. The Pebble Beach woman was in critical condition when she was airlifted in a helicopter to Stanford Medical Center.

Elder suffered minor injuries. He was arrested and booked into the Monterey County jail on one count of driving under the influence and two felony counts of vehicular manslaughter.

CHP investigators are now trying to determine if Elder's passenger, who is not legally old enough to drink, was intoxicated, as well as figure out where the duo had been drinking prior to the double fatal crash.

Neighbors who live near Sunday's crash scene said the wreck created such a loud noise they ran outside to see what happened.

"It was so violent, it was like the cars exploded," neighbor Bob Brookman said.

Elder was released from jail Monday afternoon after posting $430,000 bail.

According to his LinkedIn profile, Elder is the CEO of a Pebble Beach-based construction company, ECI Building Inc., that specializes in building luxury homes. Court records revealed that Elder already has 13 traffic violations on his record committed between 2003-2012.

This big-rig truck crashed on the Highway 1-Highway 17 fishhook in Santa Cruz Monday night. Witnesses told CHP officers that the truck was traveling southbound when it "flew over the fishhook" bridge and landed on the northbound lanes.